ZyXEL 500Mbps Powerline Pass-Through Gigabit Ethernet Adapter (Pair) for $99.99 Shipped

ZyXEL PLA4215KIT 500Mbps Powerline Gigabit Ethernet Adapter (Pair) for $99.99 shipped after applying coupon code EMCNJHD55 to take $100 off.  Here is a screenshot for your reference.  The set comes in a pair and uses gigabit Ethernet to achieve up to 500mbps transfer speed.  Note that at the time of this post, 8 out of 9 user reviews have given it 4/5 and 5/5 ratings.  Most places have it for over $160.